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SIEMENS IEC Supplementary Protector: 50 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp - A-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SIEMENS IECA-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SIEMENS IEC Supplementary Protector: 50 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 30XV15, MPN 5SY42505) is a 50 A, A-Curve, 2-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 400V AC and 72V DC, with a breaking…

SKU 3G-OTH-127934

Brand
SIEMENS IEC
Item
Supplementary Protector: 50 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
Category
A-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

SIEMENS IEC
Manufacturer Part Number
5SY42505
Type
10kA at 400V AC, Screw Clamp, 5SY4
AC
400V
DC
72V
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SIEMENS IEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Supplementary Protector (SKU 30XV15, MPN 5SY42505) is a 50 A, A-Curve, 2-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series. It is rated for 400V AC and 72V DC, with a breaking capacity of 10kA at 400V AC, and features screw clamp terminals.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 5SY42505 supplementary protector used for?

The SIEMENS 5SY42505 is a 50 A, A-Curve, 2-Pole UL1077 DIN Rail-Mount supplementary protector used to protect branch circuits and control equipment from overcurrent and short circuits in industrial control panels, HVAC systems, and machinery.

What are the specifications of the SIEMENS 5SY42505?

The SIEMENS 5SY42505 is rated 50 A, 400V AC and 72V DC, with a breaking capacity of 10kA at 400V AC. It features screw clamp terminals, is part of the 5SY4 series, and is a 2-Pole A-Curve supplementary protector for DIN rail mounting.

Where to buy the SIEMENS 5SY42505 worldwide?

3G Electric supplies the SIEMENS 5SY42505 supplementary protector worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this item.

How to install the SIEMENS 5SY42505 supplementary protector?

Install the SIEMENS 5SY42505 on a standard DIN rail. Ensure the circuit is de-energized, snap the protector onto the rail, and connect wires using the screw clamp terminals per the torque specifications in the datasheet. Verify polarity for DC applications.

Used in

Common applications for SIEMENS IEC
Motor control centers — Siemens 5SY4 D-curve supplementary protectors (e.g., 5SY42108) for motor branch circuit protection
HVAC equipment — A-curve protectors (e.g., 5SY42255) for compressor and fan motor overcurrent protection
Industrial conveyor systems — 4-pole D-curve protectors (e.g., 5SY44168) for three-phase motor protection with neutral
Pump control panels — 2-pole supplementary protectors (e.g., 5SY42038) for single-phase pump motor protection
Machine tool control circuits — A-curve protectors (e.g., 5SY44155) for solenoid valve and relay protection
Power distribution sub-panels — 4-pole protectors (e.g., 5SY44155) for three-phase branch circuit protection in light industrial settings

SIEMENS IEC Products

3G Electric supplies SIEMENS IEC a-curve, 2-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SIEMENS IEC Supplementary Protector: 63 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42635). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42105). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42105). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42255). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42255). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42035). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42035). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42165). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42015). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42015). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42405). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42405). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 32 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42325). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42135). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42135). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42065). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42065). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42205). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
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SIEMENS IEC Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42205). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42155). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42155). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42045). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 4 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42045). Key specifications — attr195785: Screw Clamp; attr195787: 400V AC; attr195786: A; attr195783: 72V DC; attr195784: 10kA at 400V AC; attr215906: 5SY4; attr211128: SIEMENS.